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Community Member

CSS11501 Simple SSL (HTTP to HTTPS) configuration

Hi everyone

We've just started investigating moving SSL offload to our CSS11501. I've got the configuration working with a single (HTTP) server as per the example configuration at:

I'm unsure as to how to load balance to multiple HTTP servers though. Anyone have a simple config which will make this clear?


Cisco Employee

Re: CSS11501 Simple SSL (HTTP to HTTPS) configuration

I'm glad the example I wrote was helpful to you.

To answer your question, what you need to do is send the decrypted traffic to another vip on the CSS.

So, you create a content rule for the cleartext traffic.

Assign a vip, a port, all the http servers.

Then in your ssl proxy-list, replace the destination server ip with the vip from your cleartext content rule.


Community Member

Re: CSS11501 Simple SSL (HTTP to HTTPS) configuration

Thanks Gilles.

We have it working very well now, with one slight workaround:

The SSL-HTTP proxying worked fine. We have only one content rule for client facing, and for to where the ssl-proxy-list redirects. When we added another L4 rule to redirect port 80 requests to port 443, we ended up with a loop.

To resolve this issue we changed the HTTP port on the webservers to 81, and used this port in the ssl-proxy-list.

I assume if we had two separate content rules (one for client facing, and one for the ssl-proxy-list to forward to), we would not have had this issue?

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